Description
Bender Insulation Monitor IRDH275-425 for Electrical Safety
Advanced insulation monitoring device ensuring electrical safety in ungrounded AC/DC systems with fast response and comprehensive diagnostics.
| Brand | Bender |
| Model | IRDH275-425 |
| Voltage | 24V DC (auxiliary), 400V AC (monitored system) |
| Country of Origin | Germany |
| Weight | 0.8 kg |
| Dimensions | 150 x 90 x 60 mm |
| Warranty | 3 years |
| Certifications | CE, UL, CSA, IEC 61557-8 |
| SKU / MPN | IRDH275-425 |
| What’s in the box | IRDH275-425 monitor, mounting screws, quick start guide, CD with software |
| Insulation Monitoring Range | 1 kΩ to 10 MΩ |
| Response Time | < 5 seconds at 50 kΩ |
| Alarm Outputs | 2 x relay (SPDT), 1 x transistor |
| System Voltage | AC 0-690V, DC 0-1000V |
| Communication Protocol | Modbus RTU, BMS bus |
| Operating Temperature | -25 to 55°C |
Key benefits: Early fault detection, prevents downtime, enhances personnel safety, easy integration with building management systems
Typical applications: Hospitals, data centers, industrial plants, marine systems, renewable energy installations
Order number: Bender Insulation Monitor IRDH275-425 for Electrical Safety
Lifecycle: Active
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.
William G. –
Good quality sensor, accurate readings. Will order more for our production line.